ລາຍລະອຽດ

ຄຳອະທິບາຍເນື້ອຫາ: a number line shows that we moved 1 space back from 5 to 4

ຂະໜາດໄຟລ໌: 2586KB

ໄລຍະເວລາ: 9.800 sec

ຂະໜາດ: 498x188

ສ້າງແລ້ວ: 3/29/2014, 1:49:47 PM